Everyone has done it before on some scale. Popping off the side walk onto the street is a drop to flat. But let's quantify this and say that a drop is a mandatory air. It's past the size where you could safely roll over it. Start at three or four feet and just go up from there. Behind my elementary school was a retaining wall of white limestone. It was probably about four feet high. We rode off of that on bmx bikes and landed flat on grass. Not because it was fun or it felt good, but just so we could say we did it. That last sentence sums up all drops to flat. I know I still do them way more often than I should, on a bike or skis. Drops to flat are like choosing to watch an 80's action movie, you know what you are getting into. It's a cheap thrill and you may regret it. You're not going to find fulfillment when you land flat. If the drop is big enough it can even be damaging to you and your equipment. Yet, they still exist. When I was starting out j...